Home / 11,280.76-15,565.48-6,566.56

Finding the Fourth Proportional to 11,280.76, 15,565.48 and 6,566.56

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Solution

The fourth proportional to 11,280.76, 15,565.48 and 6,566.56 is: 9,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.76 : 15,565.48 = 6,566.56 : x
  2. Step 2: Convert to fraction form
    11,280.76/15,565.48 = 6,566.56/x
  3. Step 3: Cross multiply
    11,280.76x = 15,565.48 × 6,566.56
  4. Step 4: Simplify right side
    11,280.76x = 102,211,658.35
  5. Step 5: Solve for x
    x = 102,211,658.35/11,280.76
  6. Step 6: Final answer
    x = 9,060.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.